Checkmk may suit teams monitoring servers, networks, cloud environments, or hybrid infrastructure.
Free plan Free trial Open source From $275 a month, billed yearly AndroidiPhone & iPadWebWindowsMacLinux+2
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Best Network Monitoring - Enterprise Software 2026
Facts read 20 Sep 2026 – 15 Oct 2026
Business network monitoring software lets teams track devices, traffic and service condition across corporate networks. Tools in this category may run on the web, through an API, on self-hosted systems, or on Linux, Windows and Android.
The standings: top 10
| Name | In a line | Record score | Price from | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|---|
| 01 Checkmk | Checkmk may suit teams monitoring servers, networks, cloud environments, or hybrid infrastructure. | 6.8 | $275 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, Windows | 14 Oct 2026 |
| 02 Obkio | Obkio may suit small businesses, multisite organizations, MSPs, remote users, nonprofits, and colleges or universities. | 6.6 | $249 a month | Free plan | Android, iPhone & iPad, Web, Windows | 14 Oct 2026 |
| 03 Paessler PRTG Network Monitor | PRTG is intended for small and medium IT infrastructures, with features for OT and IoT environments. | 6.5 | $200 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, Windows | 30 Sep 2026 |
| 04 Domotz | Domotz may suit managed service providers, IT departments, system integrators, and security professionals managing devices across sites. | 6.4 | $1.50 a month | Free plan | Android, iPhone & iPad, Web, Windows | 30 Sep 2026 |
| 05 ManageEngine OpManager | The free edition is described as suited to small networks and labs. | 6.4 | $95 a year | Free plan | Android, iPhone & iPad, Web, Windows | 15 Oct 2026 |
| 06 Nagios XI | It suits organizations that can operate a Linux server and want to monitor infrastructure under configured thresholds. | 6.0 | $2,595 one-time | Free plan | Web, Windows, Mac, Linux | 15 Oct 2026 |
| 07 Site24x7 Network Monitoring | It may suit IT and DevOps teams, from startups and small businesses to enterprises and government organizations, monitoring network devices and traffic. | 5.9 | $42 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, Windows | 7 Oct 2026 |
| 08 Icinga | Icinga is aimed at teams of any size that need infrastructure and application monitoring, including distributed environments. | 5.8 | $2,000 a year | Free plan | Web, Windows, Linux, API | 4 Oct 2026 |
| 09 NetXMS | NetXMS is intended for network and infrastructure monitoring, as well as application, server, service-provider, payment-switch, and industrial-equipment monitoring. | 5.5 | Free plan | Free plan | Android, Web, Windows, Mac | 2 Oct 2026 |
| 10 LibreNMS | LibreNMS is suited to network administrators who want a self-hosted monitoring system with discovery, alerting, and traffic visibility. | 5.0 | Free plan | Free plan | Android, iPhone & iPad, Web, Linux | 4 Oct 2026 |
The list is ordered by newest releases first. Compare the figures makers publish for deployment, network discovery and SNMP monitoring, then review flow analytics, device limits, alert channels and pricing.
02
Obkio
Obkio may suit small businesses, multisite organizations, MSPs, remote users, nonprofits, and colleges or universities.
AndroidiPhone & iPadWeb+4 Record6.6 Visit
03
Paessler PRTG Network Monitor
PRTG is intended for small and medium IT infrastructures, with features for OT and IoT environments.
AndroidiPhone & iPadWeb+5 Record6.5 Visit
04
Domotz
Domotz may suit managed service providers, IT departments, system integrators, and security professionals managing devices across sites.
AndroidiPhone & iPadWeb+4 Record6.4 Visit
05
ManageEngine OpManager
The free edition is described as suited to small networks and labs.
AndroidiPhone & iPadWeb+4 Record6.4 Visit
6
Nagios XI
WebWindowsMac+3 $2,595 one-time Record6.0 Visit It suits organizations that can operate a Linux server and want to monitor infrastructure under configured thresholds.
7
Site24x7 Network Monitoring
AndroidiPhone & iPadWeb+4 $42 a month, billed yearly Record5.9 Visit It may suit IT and DevOps teams, from startups and small businesses to enterprises and government organizations, monitoring network devices and traffic.
8
Icinga
WebWindowsLinux+2 $2,000 a year Record5.8 Visit Icinga is aimed at teams of any size that need infrastructure and application monitoring, including distributed environments.
9
NetXMS
AndroidWebWindows+4 Free plan Record5.5 Visit NetXMS is intended for network and infrastructure monitoring, as well as application, server, service-provider, payment-switch, and industrial-equipment monitoring.
10
LibreNMS
AndroidiPhone & iPadWeb+3 Free plan Record5.0 Visit LibreNMS is suited to network administrators who want a self-hosted monitoring system with discovery, alerting, and traffic visibility.
11
WhatsUp Gold
WebWindowsAPI+1 $866 a year Record5.0 Visit It suits IT teams monitoring mixed network, server, application, cloud, and virtualization environments.
12
Zabbix
WebWindowsMac+3 Free plan Record4.9 Visit Zabbix suits teams monitoring infrastructure, applications, networks, or services across a range of operating systems and data sources.
13
Cacti
WebWindowsLinux+1 Free plan Record4.7 Visit Cacti suits teams that can self-host network monitoring and need graphing, availability checks, discovery, or distributed data collection.
14
Observium
WebLinuxAPI+1 Free plan Record4.6 Visit Community fits home labs, evaluation, and small non-critical deployments.
17
ExtremeCloud IQ
WebAPISelf-hosted — Record3.7 Visit It suits organizations managing wired, wireless, and SD-WAN infrastructure across cloud deployment models.
Before you choose
Start with the pricing model
Cacti, Icinga and LibreNMS include no-cost plan options. Checkmk, Domotz and ManageEngine OpManager offer freemium plans.
Some paid products publish an entry price, while others ask you to request a quote. Before requesting a proposal, determine whether a free plan or trial fits your evaluation.
Match the deployment option
Platforms in this category include web, API and self-hosted options. Linux, Windows and Android support also appears across the category.
Select a deployment approach that suits your network access, administrative setup and where devices are located.
Check the monitoring scope
Compare network discovery with SNMP monitoring to understand how a tool finds and observes infrastructure. Review flow analytics when traffic patterns matter.
As your network grows, device caps and available alert channels shape capacity and how notifications reach operators.
Use a trial when available
Listed trial lengths include 30 days for Checkmk, ManageEngine OpManager, Nagios XI and Kentik; Domotz offers 14 days, Icinga 60 days and ExtremeCloud IQ 90 days.
Automic Continuous Delivery Automation lists a free trial without a duration in the supplied details.
Consider open-source code
Open-source implementations appear among these tools. Consider that option when you need software you can inspect or adapt, alongside deployment and support needs.
Questions
Which network monitoring tools list a free plan?
The list marks Cacti, Checkmk, Domotz, Icinga, LibreNMS, ManageEngine OpManager and Nagios XI as having free plans.
Which products offer a free trial?
The products with listed trials are Automic Continuous Delivery Automation, Checkmk, Domotz, ExtremeCloud IQ, Icinga, Kentik, ManageEngine OpManager and Nagios XI.
What deployment platforms are covered?
Listed support spans web, API, self-hosted, Linux, Windows and Android platforms.
Which monitoring capabilities should I compare?
Compare discovery, SNMP, flow analytics, device limits and alert channels, along with deployment and pricing.
Does pricing always appear as a fixed amount?
No. Pricing notes include free plans, starting prices and pricing on request, depending on the product.
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